package LanQiao.T2T1;

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc=new Scanner(System.in);
        int y=sc.nextInt();
        if(y%400==0||y%4==0&&y%100!=0){
            System.out.println("yes");
        }else
            System.out.println("no");
    }
}
